{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["manufacturing standard", "engineering feature", "machine or equipment", "material", "machanical property", "process characterization"], "input": "The most well-known of these would be AM machines used in production of teeth aligners and hearing aids ."}
{"manufacturing standard": [], "engineering feature": [], "machine or equipment": ["AM machines"], "material": ["be"], "machanical property": [], "process characterization": []}